Jack McKenzie
Jack McKenzie, MacKenzie or Mackenzie may refer to:
- Jack Mackenzie, Canadian civil engineer and academic
- Jack MacKenzie , British cinematographer
- Jack McKenzie , Scottish actor
- Jack MacKenzie, Scottish footballer
- Jack McKenzie , Australian rules footballer, known as 'Dookie'
- Jack McKenzie , Australian rules footballer, son of 'Dookie'
- Jack McKenzie , Canadian ice hockey player